for (int i = 1; i <= 9; i++) {
    for (int j = 1; j <=i ; j++) {
        System.out.print(i+"*"+j+"="+(i*j)+"\t");
    }
    System.out.println();
}

System.out.print(j + " x " + i + " = " + (result < 10 ? result + " " : result) + " ");

System.out.print(String.format(" %s×%s=%s ", chars[i], chars[j], chars[(result/10)],chars[(result%10) == 0 ? 10 : (result%10)]));